kaspa-wallet-core 0.0.2

Kaspa wallet library
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

use crate::accounts::WalletAccount;
use crate::keypair::PrivateKey;
use crate::Result;
use kaspa_bip32::{ChildNumber, ExtendedPrivateKey, SecretKey};
use std::str::FromStr;
use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub struct XPrivateKey {
    receive: ExtendedPrivateKey<SecretKey>,
    change: ExtendedPrivateKey<SecretKey>,
}
#[wasm_bindgen]
impl XPrivateKey {
    #[wasm_bindgen(constructor)]
    pub fn new(xprv: &str, is_multisig: bool, account_index: u64) -> Result<XPrivateKey> {
        let xkey = ExtendedPrivateKey::<SecretKey>::from_str(xprv)?;
        let receive = xkey.clone().derive_path(WalletAccount::build_derivate_path(
            is_multisig,
            account_index,
            Some(kaspa_bip32::AddressType::Receive),
        )?)?;
        let change =
            xkey.derive_path(WalletAccount::build_derivate_path(is_multisig, account_index, Some(kaspa_bip32::AddressType::Change))?)?;

        Ok(Self { receive, change })
    }

    #[wasm_bindgen(js_name=receiveKey)]
    pub fn receive_key(&self, index: u32) -> Result<PrivateKey> {
        let xkey = self.receive.derive_child(ChildNumber::new(index, false)?)?;
        Ok(PrivateKey::from(xkey.private_key()))
    }

    #[wasm_bindgen(js_name=changeKey)]
    pub fn change_key(&self, index: u32) -> Result<PrivateKey> {
        let xkey = self.change.derive_child(ChildNumber::new(index, false)?)?;
        Ok(PrivateKey::from(xkey.private_key()))
    }
}